From 675b4aa878f16291ce33fced48a2bc7425f635ae Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Sun, 24 Nov 2013 14:19:41 +0000 Subject: Moved source to src --- src/Cuboid.cpp | 117 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 src/Cuboid.cpp (limited to 'src/Cuboid.cpp') diff --git a/src/Cuboid.cpp b/src/Cuboid.cpp new file mode 100644 index 000000000..ea6f7c453 --- /dev/null +++ b/src/Cuboid.cpp @@ -0,0 +1,117 @@ + +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#include "Cuboid.h" + + + + + +/// Returns true if the two specified intervals have a non-empty union +static bool DoIntervalsIntersect(int a_Min1, int a_Max1, int a_Min2, int a_Max2) +{ + return ( + ((a_Min1 >= a_Min2) && (a_Min1 <= a_Max2)) || // Start of first interval is within the second interval + ((a_Max1 >= a_Min2) && (a_Max1 <= a_Max2)) || // End of first interval is within the second interval + ((a_Min2 >= a_Min1) && (a_Min2 <= a_Max1)) // Start of second interval is within the first interval + ); +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cCuboid: + +void cCuboid::Assign(int a_X1, int a_Y1, int a_Z1, int a_X2, int a_Y2, int a_Z2) +{ + p1.x = a_X1; + p1.y = a_Y1; + p1.z = a_Z1; + p2.x = a_X2; + p2.y = a_Y2; + p2.z = a_Z2; +} + + + + + +void cCuboid::Sort(void) +{ + if (p1.x > p2.x) + { + std::swap(p1.x, p2.x); + } + if (p1.y > p2.y) + { + std::swap(p1.y, p2.y); + } + if (p1.z > p2.z) + { + std::swap(p1.z, p2.z); + } +} + + + + + +bool cCuboid::DoesIntersect(const cCuboid & a_Other) const +{ + // In order for cuboids to intersect, each of their coord intervals need to intersect + return ( + DoIntervalsIntersect(p1.x, p2.x, a_Other.p1.x, a_Other.p2.x) && + DoIntervalsIntersect(p1.y, p2.y, a_Other.p1.y, a_Other.p2.y) && + DoIntervalsIntersect(p1.z, p2.z, a_Other.p1.z, a_Other.p2.z) + ); +} + + + + + +bool cCuboid::IsCompletelyInside(const cCuboid & a_Outer) const +{ + return ( + (p1.x >= a_Outer.p1.x) && + (p2.x <= a_Outer.p2.x) && + (p1.y >= a_Outer.p1.y) && + (p2.y <= a_Outer.p2.y) && + (p1.z >= a_Outer.p1.z) && + (p2.z <= a_Outer.p2.z) + ); +} + + + + + +void cCuboid::Move(int a_OfsX, int a_OfsY, int a_OfsZ) +{ + p1.x += a_OfsX; + p1.y += a_OfsY; + p1.z += a_OfsZ; + p2.x += a_OfsX; + p2.y += a_OfsY; + p2.z += a_OfsZ; +} + + + + + + +bool cCuboid::IsSorted(void) const +{ + return ( + (p1.x <= p2.x) && + (p1.y <= p2.y) && + (p1.z <= p2.z) + ); +} + + + + -- cgit v1.2.3